ATMEGA32M1-AUR Atmel, ATMEGA32M1-AUR Datasheet - Page 291
ATMEGA32M1-AUR
Manufacturer Part Number
ATMEGA32M1-AUR
Description
IC MPU AVR 32K 20MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32M1-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
CAN, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of I /o
-
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27.4
27.5
27.6
27.7
8209D–AVR–11/10
Signature Bytes
Calibration Byte
Page Size
Parallel Programming Parameters, Pin Mapping, and Commands
All Atmel microcontrollers have a three-byte signature code which identifies the device. This
code can be read in both serial and parallel mode, also when the device is locked. The three
bytes reside in a separate address space. For the ATmega16M1/32M1/64M1 the signature
bytes are given in
Table 27-8.
The ATmega16M1/32M1/64M1 has a byte calibration value for the internal RC Oscillator. This
byte resides in the high byte of address 0x000 in the signature address space. During reset, this
byte is automatically written into the OSCCAL Register to ensure correct frequency of the cali-
brated RC Oscillator.
Table 27-9.
Table 27-10. No. of Words in a Page and No. of Pages in the EEPROM
This section describes how to parallel program and verify Flash Program memory, EEPROM
Data memory, Memory Lock bits, and Fuse bits in the ATmega16M1/32M1/64M1. Pulses are
assumed to be at least 250ns unless otherwise noted.
Part
ATmega16M1
ATmega32M1
ATmega64M1
Device
ATmega16M1
ATmega32M1
ATmega64M1
Device
ATmega16M1
ATmega32M1
ATmega64M1
Signature Bytes
No. of Words in a Page and No. of Pages in the Flash
Table
1024 bytes
2048 bytes
(16K bytes)
(32K bytes)
(64K bytes)
Flash Size
EEPROM
512 bytes
16K words
32K words
8K words
Size
27-8.
0x000
0x1E
0x1E
0x1E
4 bytes
4 bytes
8 bytes
(128 bytes)
(128 bytes)
(256 bytes)
Page
Page Size
128 words
Size
64 words
64 words
PCWORD
EEA[1:0]
EEA[1:0]
EEA[2:0]
ATmega16M1/32M1/64M1
PCWORD
PC[5:0]
PC[5:0]
PC[6:0]
Signature Bytes Address
0x001
0x94
0x95
0x95
No. of
Pages
128
256
256
Pages
No. of
128
256
256
PCPAGE
EEA[8:2]
EEA[9:2]
EEA[9:2]
PCPAGE
PC[12:6]
PC[13:6]
PC[14:7]
0x002
0x84
0x84
0x84
EEAMSB
PCMSB
9
9
9
12
13
14
291
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